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%I #6 Nov 28 2017 11:49:57
%S 1,273,197925,163599348,142968550725,128870282292648,
%T 118480953427211364,110433519432700272900,103975323964183657238085,
%U 98653477096436613397662000,94177063016288953736433769800,90349590539197254060291386954952,87032952761243666079438661028681700
%N a(n) = (15*n)!*(4*n)!/((12*n)!*(5*n)!*(2*n)!).
%F G.f.: hypergeom([1/15, 2/15, 4/15, 7/15, 8/15, 11/15, 13/15, 14/15], [1/12, 1/6, 5/12, 1/2, 7/12, 5/6, 11/12], 263671875/262144*x).
%Y Cf. A295431.
%K nonn
%O 0,2
%A _Gheorghe Coserea_, Nov 27 2017